<template>
  <div class="login-container">
    <!-- 头部的 logo 区域 -->
    <div class="header">
      <img src="~@/assets/images/logo.png" alt="" />
    </div>

    <!-- 登录和注册区域 -->
    <div class="box">
      <div class="box-header"></div>
      <!-- 登录的表单 -->
      <el-form :model="loginForm" :rules="rules" ref="formRef">
        <el-form-item prop="username">
          <el-input
            placeholder="请输入用户名"
            maxlength="10"
            v-model="loginForm.username"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            maxlength="15"
            v-model="loginForm.password"
            type="password"
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-button
          type="primary"
          class="btn-login"
          @click="login"

          >登录</el-button
        >
        <el-link   class="link-reg" @click="$router.push('/reg')">去注册账号</el-link>
      </el-form>
    </div>
  </div>
</template>
<script>
import { reqLogin } from '@/api/user'
export default {
  name: 'LoginPage',
  created () {
    console.log(this.$route)
  },
  data () {
    return {
      // 登陆提交的表单
      loginForm: {
        username: 'LCL0904',
        password: 'LCL00728'
      },
      // 登录表单校验规则
      rules: {
        username: [
          // 空值校验
          {
            required: true,
            message: '请输入用户名',
            trigger: ['blur', 'change']
          },
          // 规则
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: '用户名必须是数字加字母1~10位',
            trigger: ['blur', 'change']
          }
        ],
        password: [
          // 空值校验
          {
            required: true,
            message: '请输入密码',
            trigger: ['blur', 'change']
          },

          // 规则
          {
            pattern: /^\S{6,15}$/,
            message: '密码必须是6~15位',
            trigger: ['blur', 'change']
          }
        ]
      }
    }
  },
  methods: {
    login () {
      // 发送请求预校验
      this.$refs.formRef.validate(async (boo) => {
        if (boo) {
          // 发送请求

          const { data } = await reqLogin(this.loginForm)
          if (data.code !== 0) {
            return this.$message.error({
              showClose: true,
              message: data.message
            })
          } else {
          // 消息提示
            this.$message.success({
              showClose: true,
              message: '恭喜你，登录成功'
            })
            // 存储token
            localStorage.setItem('tokenKey', data.token)
            // 跳转到主页
            this.$router.push('/')
          }
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login-container {
  background-color: blue;
  height: 100%;
  background: url("~@/assets/images/login_bg.jpg") no-repeat center;
  background-size: cover;

  .header {
    width: 1200px;
    margin: 0 auto;
    user-select: none;
  }

  .box {
    width: 400px;
    height: 270px;
    background-color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 3px;
    box-shadow: 0 1px 15px rgba(0, 0, 0, 0.2);
    padding: 0 30px;
    box-sizing: border-box;

    .box-header {
      height: 60px;
      background: url("~@/assets/images/login_title.png") no-repeat center;
    }

    .btn-login {
      width: 100%;
    }

    .link-reg {
      font-size: 12px;
    }
  }
}
</style>
